package day02;

public class Wanke {
    public static void main(String[] args) {
        int a=5;
        a=a+10;//在a的基础上加10
        System.out.println(a);//15

         double balance=5000.0;//账户余额
         balance=balance+1000;//存1000
        System.out.println(balance);//6000.0
        balance=balance-2000;//2000
        System.out.println(balance);//4000.0

        double price=600.0;//消费金额
        price=price*0.8;//打八折
        System.out.println(price);//480.0



        int t=6;
        long r=5000000000L;
        double w=3.14159;
        char q='7';
          float c= 0.9f;

    }
}
